C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/08 (2006.01) C11D 3/36 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2099362
2099362 9213061 PCTABS00014 A process for producing a solid cast silicate-based cleaning compositions which includes the step of combining appropriate concentrations of an alkali metal silicate, an alkali metal hydroxide and a source of water to form a reaction mixture that solidifies into a reaction product which is processable at temperatures below the melting point or decomposition temperature of the reaction product. The process provides for the rapid manufacture of a solid cast alkaline cleaning composition without melting of the cast composition. Incorporation of appropriate amounts of a combination of a polyacrylate and a phosphonate into the cleaning composition cooperate with the silicate present in the composition to form a threshold system which is effective for controlling precipitation of both calcium and magnesium in a use solution.
Mizuno William G.
Oakes Thomas R.
Olson Keith E.
Tallman Daniel N.
Ecolab Inc.
Ridout & Maybee Llp
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